\[
\boxed{
x \left( y \left( x \right)  \right) ^{2} \left( {\frac {\rm d}{{\rm d}x}}y \left( x \right)  \right) ^{3}- \left( y \left( x \right)  \right) ^{3} \left( {\frac {\rm d}{{\rm d}x}}y \left( x \right)  \right) ^{2}+x \left( {x}^{2}+1 \right) {\frac {\rm d}{{\rm d}x}}y \left( x \right) -{x}^{2}y \left( x \right) =0}
\]